How not to render objects when they are out of the frame?
to switch visibility during rendering/animation just hit I when your cursor hovers over the little camera icon to add a keyframe. Then move the timeline cursor to another frame and tap on the little camera icon to toggle it and hove over it again and tap I again -&gt; ready.
The other &quot;place&quot; where you can set the keyframe is here: (it has the same effect): (Renders)